tools/pkg/protomodel/enumDescriptor.go

62 lines
1.9 KiB
Go

// Copyright 2018 Istio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this currentFile except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package protomodel
import (
"github.com/golang/protobuf/protoc-gen-go/descriptor"
)
type EnumDescriptor struct {
baseDesc
*descriptor.EnumDescriptorProto
Values []*EnumValueDescriptor // The values of this enum
}
type EnumValueDescriptor struct {
baseDesc
*descriptor.EnumValueDescriptorProto
}
func newEnumDescriptor(desc *descriptor.EnumDescriptorProto, parent *MessageDescriptor, file *FileDescriptor, path pathVector) *EnumDescriptor {
var qualifiedName []string
if parent == nil {
qualifiedName = []string{desc.GetName()}
} else {
qualifiedName = make([]string, len(parent.QualifiedName()), len(parent.QualifiedName())+1)
copy(qualifiedName, parent.QualifiedName())
qualifiedName = append(qualifiedName, desc.GetName())
}
e := &EnumDescriptor{
EnumDescriptorProto: desc,
baseDesc: newBaseDesc(file, path, qualifiedName),
}
e.Values = make([]*EnumValueDescriptor, 0, len(desc.Value))
for i, ev := range desc.Value {
nameCopy := make([]string, len(qualifiedName), len(qualifiedName)+1)
copy(nameCopy, qualifiedName)
nameCopy = append(nameCopy, ev.GetName())
evd := &EnumValueDescriptor{
EnumValueDescriptorProto: ev,
baseDesc: newBaseDesc(file, path.append(enumValuePath, i), nameCopy),
}
e.Values = append(e.Values, evd)
}
return e
}